/*
 * @Descripttion: 
 * @Version: 
 * @Author: gaohj
 * @Date: 2022-10-31 16:29:53
 * @LastEditors: Please set LastEditors
 * @LastEditTime: 2022-10-31 16:32:53
 */

function randomNum(){
    return Math.floor(Math.random()*256);
}

function randomColor(){
    return `rgba(${randomNum()},${randomNum()},${randomNum()},${Math.random()})`
}

